Which of the following phase diagrams represents how a catalyst is able to change the rate of a reaction? (2 points) A regular exothermic potential energy diagram is shown, with a dotted line representing how the potential energy diagram changes with the use of a catalyst. The dotted line shows a new potential energy diagram with two potential energy hills, instead of the one hill in the regular potential energy diagram. A regular exothermic potential energy diagram is shown, with a dotted line representing how the potential energy diagram changes with the use of a catalyst. The dotted line shows a new potential energy diagram with a taller activation energy hill than that in the original potential energy diagram. A regular exothermic potential energy diagram is shown, with a dotted line representing how the potential energy diagram changes with the use of a catalyst. The dotted line shows a new potential energy diagram with two activation energy hills, the second taller than the first, instead of the one hill in the regular potential energy diagram. A regular exothermic potential energy diagram is shown, with a dotted line representing how the potential energy diagram changes with the use of a catalyst. The dotted line shows a new potential energy diagram with a shorter activation energy hill than that in the original potential energy diagram.

Question

06-02-2019
Chemistry

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Which of the following phase diagrams represents how a catalyst is able to change the rate of a reaction? (2 points) A regular exothermic potential energy diagram is shown, with a dotted line representing how the potential energy diagram changes with the use of a catalyst. The dotted line shows a new potential energy diagram with two potential energy hills, instead of the one hill in the regular potential energy diagram. A regular exothermic potential energy diagram is shown, with a dotted line representing how the potential energy diagram changes with the use of a catalyst. The dotted line shows a new potential energy diagram with a taller activation energy hill than that in the original potential energy diagram. A regular exothermic potential energy diagram is shown, with a dotted line representing how the potential energy diagram changes with the use of a catalyst. The dotted line shows a new potential energy diagram with two activation energy hills, the second taller than the first, instead of the one hill in the regular potential energy diagram. A regular exothermic potential energy diagram is shown, with a dotted line representing how the potential energy diagram changes with the use of a catalyst. The dotted line shows a new potential energy diagram with a shorter activation energy hill than that in the original potential energy diagram.

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kobenhavn kobenhavn · Answer 1 · 2019-02-18T07:01:56+01:00

Answer: The dotted line shows a new potential energy diagram with a shorter activation energy hill than that in the original potential energy diagram.

Explanation:

Activation energy is the extra amount of energy required by the reactants to cross the energy barrier to get converted into products.

When a catalyst is added, it lowers down the activation energy which is shown by a dotted line. As now less energy is required, more of reactants can cross the energy barrier and get converted to products and thus increase the rate of reaction.

A catalyst increases the rate of reaction for both exothermic and endothermic reactions.

abhishekprakash2625 abhishekprakash2625 · Answer 2 · 2022-01-24T15:13:22+01:00

The study of the chemicals and the bond is called chemistry. The level which denotes the activation energy is called threshold energy. Each molecule has different threshold energy.

The correct answer is option C that is The dotted line showing a new potential energy diagram with a shorter activation energy hill than that in the original potential energy diagram.

What is activation energy?

The minimum amount of energy required to reach the threshold is called activation energy. Once the reactant reaches the threshold it will convert to the product.

Activation energy is the extra amount of energy required by the reactants to cross the energy barrier to get converted into products. When a catalyst is added, it lowers the activation energy which is shown by a dotted line.

As now less energy is required, more reactants can cross the energy barrier and get converted to products thus increasing the rate of reaction. A catalyst increases the rate of reaction for both exothermic and endothermic reactions.

For more information about the catalyst, refer to the link:-

https://brainly.com/question/11334504